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b0e087ecef
Instead of two levels of focus with `focus` and `selected`, use a recursive level. The components set the one "active" and hbox/vbox/dbox Co-authored-by: ArthurSonzogni <sonzogniarthur@gmail.com>
52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
// Copyright 2020 Arthur Sonzogni. All rights reserved.
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// Use of this source code is governed by the MIT license that can be found in
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// the LICENSE file.
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#ifndef FTXUI_DOM_REQUIREMENT_HPP
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#define FTXUI_DOM_REQUIREMENT_HPP
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#include "ftxui/screen/box.hpp"
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#include "ftxui/screen/screen.hpp"
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namespace ftxui {
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class Node;
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struct Requirement {
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// The required size to fully draw the element.
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int min_x = 0;
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int min_y = 0;
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// How much flexibility is given to the component.
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int flex_grow_x = 0;
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int flex_grow_y = 0;
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int flex_shrink_x = 0;
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int flex_shrink_y = 0;
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// Focus management to support the frame/focus/select element.
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struct Focused {
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bool enabled = false;
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Box box;
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Node* node = nullptr;
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Screen::Cursor::Shape cursor_shape = Screen::Cursor::Shape::Hidden;
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// Internal for interactions with components.
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bool component_active = false;
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// Return whether this requirement should be preferred over the other.
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bool Prefer(const Focused& other) const {
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if (!other.enabled) {
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return false;
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}
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if (!enabled) {
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return true;
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}
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return other.component_active && !component_active;
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}
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};
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Focused focused;
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};
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} // namespace ftxui
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#endif // FTXUI_DOM_REQUIREMENT_HPP
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